Dominik Jaroslav Duka O.P. (born 26 April 1943, Hradec Králové, Protectorate of Bohemia and Moravia (now Hradec Králové, Czech Republic) is the 36th Archbishop of Prague since his appointment by Pope Benedict XVI on 13 February 2010. He had previously served as bishop of Hradec Králové. He was elevated to the cardinalate by Pope Benedict XVI on 18 February 2012.

Duka was born in 1943 in Hradec Králové. On 6 January 1969 he made temporary profession in the Dominican Order and on 22 June 1970 he was ordained a priest. For 5 years he worked in various parishes of the archdiocese of Prague and, on 7 January 1972, he made his solemn profession in the Dominican Order.

In 1975 he was deprived of the state authorisation for the sacred ministry, and worked for almost 15 years, in the factories of Škoda Plzeň, as a designer (until 1989 and the collapse of Communism behind the Iron Curtain). In the meantime, he worked in secret in the Order as a novice master and teacher of theology. He studied at the Theological Faculty of Litoměřice. In 1979, he obtained a licentiate in theology at the Theological Faculty of St. John the Baptist in Warsaw, Poland. From 1981-82 he was jailed in Plzeň. From 1986-98 he was Provincial of the Dominicans in Bohemia and Moravia.^{[citation needed]} After the fall of communism, Duka was elected Federal President of the Conference of Major Superiors and in the years 1992-1996, Vice-President of the Union of European Conferences of Major Superiors. From 1990-99, he was a lecturer in the Faculty of Theology at the Palacký University in Olomouc, teaching Introduction to Sacred Scripture and biblical anthropology.^{[citation needed]}

Duka is a village in Vas County, Hungary.

The poet Judit Dukai Takách was born in Duka in 1795.Zádor György was born there in 1799.